From: Felix Fietkau Date: Thu, 5 Jun 2014 23:33:54 +0000 (+0000) Subject: ath9k: add a fix for ANI related stability issues X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=5fc3c8252acc17e19b826031556ddfe47c6cd112;p=openwrt%2Fstaging%2Fdedeckeh.git ath9k: add a fix for ANI related stability issues Signed-off-by: Felix Fietkau SVN-Revision: 41028 --- diff --git a/package/kernel/mac80211/patches/562-ath9k_ani_ws_detect.patch b/package/kernel/mac80211/patches/562-ath9k_ani_ws_detect.patch new file mode 100644 index 0000000000..1e4f451c7e --- /dev/null +++ b/package/kernel/mac80211/patches/562-ath9k_ani_ws_detect.patch @@ -0,0 +1,155 @@ +--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c ++++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c +@@ -929,55 +929,6 @@ static bool ar5008_hw_ani_control_new(st + * on == 0 means more noise imm + */ + u32 on = param ? 1 : 0; +- /* +- * make register setting for default +- * (weak sig detect ON) come from INI file +- */ +- int m1ThreshLow = on ? +- aniState->iniDef.m1ThreshLow : m1ThreshLow_off; +- int m2ThreshLow = on ? +- aniState->iniDef.m2ThreshLow : m2ThreshLow_off; +- int m1Thresh = on ? +- aniState->iniDef.m1Thresh : m1Thresh_off; +- int m2Thresh = on ? +- aniState->iniDef.m2Thresh : m2Thresh_off; +- int m2CountThr = on ? +- aniState->iniDef.m2CountThr : m2CountThr_off; +- int m2CountThrLow = on ? +- aniState->iniDef.m2CountThrLow : m2CountThrLow_off; +- int m1ThreshLowExt = on ? +- aniState->iniDef.m1ThreshLowExt : m1ThreshLowExt_off; +- int m2ThreshLowExt = on ? +- aniState->iniDef.m2ThreshLowExt : m2ThreshLowExt_off; +- int m1ThreshExt = on ? +- aniState->iniDef.m1ThreshExt : m1ThreshExt_off; +- int m2ThreshExt = on ? +- aniState->iniDef.m2ThreshExt : m2ThreshExt_off; +- +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, +- AR_PHY_SFCORR_LOW_M1_THRESH_LOW, +- m1ThreshLow); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, +- AR_PHY_SFCORR_LOW_M2_THRESH_LOW, +- m2ThreshLow); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR, +- AR_PHY_SFCORR_M1_THRESH, m1Thresh); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR, +- AR_PHY_SFCORR_M2_THRESH, m2Thresh); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR, +- AR_PHY_SFCORR_M2COUNT_THR, m2CountThr); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, +- AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW, +- m2CountThrLow); +- +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M1_THRESH_LOW, m1ThreshLowExt); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M2_THRESH_LOW, m2ThreshLowExt); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M1_THRESH, m1ThreshExt); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M2_THRESH, m2ThreshExt); + + if (on) + REG_SET_BIT(ah, AR_PHY_SFCORR_LOW, +--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c ++++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c +@@ -26,20 +26,6 @@ static const int cycpwrThr1_table[] = + /* level: 0 1 2 3 4 5 6 7 8 */ + { -6, -4, -2, 0, 2, 4, 6, 8 }; /* lvl 0-7, default 3 */ + +-/* +- * register values to turn OFDM weak signal detection OFF +- */ +-static const int m1ThreshLow_off = 127; +-static const int m2ThreshLow_off = 127; +-static const int m1Thresh_off = 127; +-static const int m2Thresh_off = 127; +-static const int m2CountThr_off = 31; +-static const int m2CountThrLow_off = 63; +-static const int m1ThreshLowExt_off = 127; +-static const int m2ThreshLowExt_off = 127; +-static const int m1ThreshExt_off = 127; +-static const int m2ThreshExt_off = 127; +- + /** + * ar9003_hw_set_channel - set channel on single-chip device + * @ah: atheros hardware structure +@@ -954,11 +940,6 @@ static bool ar9003_hw_ani_control(struct + struct ath_common *common = ath9k_hw_common(ah); + struct ath9k_channel *chan = ah->curchan; + struct ar5416AniState *aniState = &ah->ani; +- int m1ThreshLow, m2ThreshLow; +- int m1Thresh, m2Thresh; +- int m2CountThr, m2CountThrLow; +- int m1ThreshLowExt, m2ThreshLowExt; +- int m1ThreshExt, m2ThreshExt; + s32 value, value2; + + switch (cmd & ah->ani_function) { +@@ -972,61 +953,6 @@ static bool ar9003_hw_ani_control(struct + */ + u32 on = param ? 1 : 0; + +- if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) +- goto skip_ws_det; +- +- m1ThreshLow = on ? +- aniState->iniDef.m1ThreshLow : m1ThreshLow_off; +- m2ThreshLow = on ? +- aniState->iniDef.m2ThreshLow : m2ThreshLow_off; +- m1Thresh = on ? +- aniState->iniDef.m1Thresh : m1Thresh_off; +- m2Thresh = on ? +- aniState->iniDef.m2Thresh : m2Thresh_off; +- m2CountThr = on ? +- aniState->iniDef.m2CountThr : m2CountThr_off; +- m2CountThrLow = on ? +- aniState->iniDef.m2CountThrLow : m2CountThrLow_off; +- m1ThreshLowExt = on ? +- aniState->iniDef.m1ThreshLowExt : m1ThreshLowExt_off; +- m2ThreshLowExt = on ? +- aniState->iniDef.m2ThreshLowExt : m2ThreshLowExt_off; +- m1ThreshExt = on ? +- aniState->iniDef.m1ThreshExt : m1ThreshExt_off; +- m2ThreshExt = on ? +- aniState->iniDef.m2ThreshExt : m2ThreshExt_off; +- +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, +- AR_PHY_SFCORR_LOW_M1_THRESH_LOW, +- m1ThreshLow); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, +- AR_PHY_SFCORR_LOW_M2_THRESH_LOW, +- m2ThreshLow); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR, +- AR_PHY_SFCORR_M1_THRESH, +- m1Thresh); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR, +- AR_PHY_SFCORR_M2_THRESH, +- m2Thresh); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR, +- AR_PHY_SFCORR_M2COUNT_THR, +- m2CountThr); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, +- AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW, +- m2CountThrLow); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M1_THRESH_LOW, +- m1ThreshLowExt); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M2_THRESH_LOW, +- m2ThreshLowExt); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M1_THRESH, +- m1ThreshExt); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M2_THRESH, +- m2ThreshExt); +-skip_ws_det: + if (on) + REG_SET_BIT(ah, AR_PHY_SFCORR_LOW, + AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);